ARM: dts: kirkwood: Add address go regulator unit name

The regulator has a reg property so include it in the unit name.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm/boot/dts/kirkwood-netgear_readynas_duo_v2.dts

@@ -183,7 +183,7 @@ regulators {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		usb3_regulator: usb3-regulator {
+		usb3_regulator: usb3-regulator@1 {
 			compatible = "regulator-fixed";
 			reg = <1>;
 			regulator-name = "USB 3.0 Power";

arch/arm/boot/dts/kirkwood-netgear_readynas_nv+_v2.dts

@@ -193,7 +193,7 @@ regulators {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		usb3_regulator: usb3-regulator {
+		usb3_regulator: usb3-regulator@1 {
 			compatible = "regulator-fixed";
 			reg = <1>;
 			regulator-name = "USB 3.0 Power";